云南管螺属一新种记述(肺螺亚纲,柄眼目,烟管螺科)  

A NEW SPECIES OF THE GENUS PHAEDUSA FROM YUNNAN(PULMONATA,STYLOMMATOPHORA,CLAUSILIIDAE)

作　　者：田明[1] 范彪[1] 陈元晓[1] 

机构地区：[1]昆明医学院细胞生物学及遗传学教研室,昆明650500

出　　处：《动物分类学报》2011年第2期377-379,共3页Acta Zootaxonomica Sinica

基　　金：云南省科技厅资助项目(2010ZC108);云南省教育厅科学研究基金资助项目(2010Y208)

摘　　要：记述采自云南省石林县陆生贝类1新种,即石林管螺Phaedusa shilinensis sp.nov.,文中对新种形态特征、栖息环境进行了描述,并对其相似种进行了分析和讨论。In the present paper a new species of land snail is described. The materials were collected by the authors in Shilin County,Yunnan Province,China,Aug. 2010. Type specimens are deposited in the Kunming Medical University,China. Phaedusa shilinensis sp. nov. （Figs 1-7） Holotype,alt. 17.20 mm,diam. 3.24 mm,alt. of aperture 3.08 mm,diam. of aperture 2.04 mm,collected from Shilin Town,Shilin County （24°49′N,103°19′E ）,Yunnan Province,China,9 Aug. 2010. Paratypes,276 adult specimens,101 young specimens. alt. 14.22-18.98 mm,diam. 2.94-3.42 mm,alt. of aperture 2.60-3.08 mm,diam. of aperture 1.78-2.16 mm,same data as holotype. Shell small,sinistral,thin,fragile,slender,fusiform. Whorls 1412,moderetely convex with high spiral part,pagoda-formed,body whorl expand,and with thick rib-stria on the back of body whorl. Shell yellowish brown or dark brown in colour,surface with very distinct spiral line and growth line; protoconch smooth,without spiral line. Apex blunt,suture slightly deep. Aperturee small,pear-shaped,peristome thick. Superior lamella small,inferior lamella large,both lamellae visible in aperture,and both lamella distance very far,and the superior lamella thick continues into spiral lamella. The principal plica long and thin and with 1 short lower palatal plica on the right side of the last whorl; other plicae and lamellae is not visible. The clausilium soup spoon-formed,thick,without a small gap on the front; pedicle long and thin. Reproductive system：penis well developed,penial sheath thick,Epiphallus slender than penial sheath,becomes short narrow at the junction between penial sheath and epiphallus; retractor muscle of penis firmly attached to middle of posterior part of penial epiphallus; vas deferens rather slender,tortuous and whitish,firmly attached to proximal end of penial sheath,and communicated with epiphallus; spermatheca yellowish,long,thick and globular; diverticulum whitish,very long,slender,and thin,extends further than spermatheca after branching out from spermatheca; the new spe

关 键 词：肺螺亚纲 柄眼目 烟管螺科 管螺属 新种 

分 类 号：Q959[生物学—动物学]